The world’s biggest open-pit mine currently is the Bingham Canyon Mine in Utah. The copper mine, which is part of Rio Tinto’s Kennecott operation, is roughly 4km wide and more than 1.2km deep. The mine began production in 1906 and has produced more than 19 million tons of copper throughout its life, along with millions of ounces of gold, silver and molybdenum. It has been repeatedly expanded, and has gained an almost mythical reputation given its seemingly unending resources.
Tuesday, April 09, 2019
Bingham Canyon Mine, US
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